Fatal error: Uncaught Error: Class "Google\Collection" not found in I:\www\pvcCloud\vendor\google\apiclient-services\src\Fcmdata\GoogleFirebaseFcmDataV1beta1ListAndroidDeliveryDataResponse.php:20 Stack trace: #0 {main} thrown in I:\www\pvcCloud\vendor\google\apiclient-services\src\Fcmdata\GoogleFirebaseFcmDataV1beta1ListAndroidDeliveryDataResponse.php on line 20